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net: lpc32xx: eth buffers base config

Add support to specify the Ethernet buffer base address;
if none are supply by the board, the default value is use (from existing code).

Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
utp
Sylvain Lemieux 2015-07-27 13:37:40 -04:00 committed by Tom Rini
parent fcd78fa604
commit 68a776687e
1 changed files with 5 additions and 3 deletions

View File

@ -353,15 +353,17 @@ int lpc32xx_eth_phy_write(struct mii_dev *bus, int phy_addr, int dev_addr,
#endif
/*
* Provide default Ethernet buffers base address if target did not.
* Locate buffers in SRAM at 0x00001000 to avoid cache issues and
* maximize throughput.
*/
#define LPC32XX_ETH_BUFS 0x00001000
#if !defined(CONFIG_LPC32XX_ETH_BUFS_BASE)
#define CONFIG_LPC32XX_ETH_BUFS_BASE 0x00001000
#endif
static struct lpc32xx_eth_device lpc32xx_eth = {
.regs = (struct lpc32xx_eth_registers *)LPC32XX_ETH_BASE,
.bufs = (struct lpc32xx_eth_buffers *)LPC32XX_ETH_BUFS,
.bufs = (struct lpc32xx_eth_buffers *)CONFIG_LPC32XX_ETH_BUFS_BASE,
#if defined(CONFIG_RMII)
.phy_rmii = true,
#endif